Home / 825,096.66-1,237,670.91-256,480.71

Finding the Fourth Proportional to 825,096.66, 1,237,670.91 and 256,480.71

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Solution

The fourth proportional to 825,096.66, 1,237,670.91 and 256,480.71 is: 384,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,096.66 : 1,237,670.91 = 256,480.71 : x
  2. Step 2: Convert to fraction form
    825,096.66/1,237,670.91 = 256,480.71/x
  3. Step 3: Cross multiply
    825,096.66x = 1,237,670.91 × 256,480.71
  4. Step 4: Simplify right side
    825,096.66x = 317,438,713,743.15
  5. Step 5: Solve for x
    x = 317,438,713,743.15/825,096.66
  6. Step 6: Final answer
    x = 384,729.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.